The ricky gervais one's from the guardian website are excellent. Karl Pilkington is a comedy genius. Not sure if they are still linked there though. the new ones you have to pay for on iTunes. down with that sort of thing.

if your looking for music ones the Trash Radio ones are great little bit out of date now cause they haven't done a new one in a while but still a pleasurable few hours listening to each one interviews and live performances from bands that played the club www.trashclub.co.uk

Very successful Irish Music one here - If you have iTunes..... Once in iTunes click the Advanced tab on the top navigation, then click Open Stream. Enter this url: http://www.newmusicireland.com/rss.xml - and click ok. Otherwise you can download it here -> http://www.newmusicireland.com/download.html SJ.

www.cokemachineglow.com do an incredibly good one every month. They started back in August so there's about ten hours of quality, mostly American, indie music there to download.

i subscribe to http://www.kexp.org's, http://www.phantomfm.com's and http://takeyourmedicinemp3.blogspot.com/ podcasts, also http://www.tmbg.com one is interesting but for fans only i'd say